8IAA

SpnK Methyltransferase from the Spinosyn Biosynthetic Pathway in Complex with SAH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Demethylmacrocin O-methyltransferase	polymer	397	43512.7	2	UniProt (Q9ALN2) Pfam (PF17843)	Saccharopolyspora spinosa
2	C, E (A, B)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
3	D, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H (A, B)	water	water		18.0	358	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87025.4
Non-Polymers*	Number of molecules	4
	Total formula weight	817.4
All*	Total formula weight	87842.8

*Water molecules are not included.